http://arduino.esp8266.com/stable/package_esp8266com_index.json,https://dl.espressif.com/dl/package_esp32_index.json
unzip IoTW.zip
mv IoTW/arduino-\<version\>/portable ~/Arduino/
mv ~/Arduino/sketchbook/tools/ArduBlock ~/Arduino/tools/
cp -r IoTW/arduino-<version>/portable/sketchbook/tools/ ~/Arduino/
cp -r IoTW/arduino-<version>/portable/sketchbook/libraries/ ~/Arduino/
cd ~/Arduino/libraries/
git clone https://github.com/Seeed-Studio/Seeed_PM2_5_sensor_HM3301